34164609840 has 640 divisors, whose sum is σ = 128241792000. Its totient is φ = 8332886016.

The previous prime is 34164609811. The next prime is 34164609863. The reversal of 34164609840 is 4890646143.

34164609840 is a `hidden beast` number, since 34 + 1 + 6 + 4 + 609 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 245788491 + ... + 245788629.

It is an arithmetic number, because the mean of its divisors is an integer number (200377800).

Almost surely, 2^34164609840 is an apocalyptic number.

34164609840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34164609840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64120896000).

34164609840 is an abundant number, since it is smaller than the sum of its proper divisors (94077182160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34164609840 is a wasteful number, since it uses less digits than its factorization.

34164609840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 34164609840 in words is "thirty-four billion, one hundred sixty-four million, six hundred nine thousand, eight hundred forty".